In 1981, Roger Sperry won the Nobel Prize for his proof of the split-brain theory, which says that one’s problem-solving skills, physical and mental abilities, and even personality traits are strongly influenced by the use of one side of the brain more than the other. Brain bias explains why one person is a math whiz while “creative types” often flounder when trying to balance their checking accounts. Not only individuals, but also organizations have brain bias. (Wonder, Jacquelyn, and Priscilla Donovan.Whole Brain Thinking. p X. NY:Ballantine Books, 1984.)

The most important aspect of split-brain research is not that specific areas in the brain perform specific tasks but that in undertaking most physical and mental activities, the intricate integration of both hemispheres is fundamental. Smaller communicating commissures in the brainstem (e.g., left and right superior colliculi) are not cut in split-brain operations. (Dauphin, Bridget. Understanding Brain Specialization Through Split-Brain Research.)

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